package com.baizhi.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

// 全局配置解决跨域问题
@Configuration
public class CorsConfig {

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");    // 1.允许任何域名使用
        corsConfiguration.addAllowedHeader("*");    // 2.允许任何头
        corsConfiguration.addAllowedMethod("*");    // 3.允许任何方法
        source.registerCorsConfiguration("/**", corsConfiguration);     // 4.处理所有请求的跨域配置
        return new CorsFilter(source);
    }
}
